Administrator Guide

router isis
Enable the IS-IS routing protocol and specify an IP IS-IS process.
C9000 Series
Syntax
router isis [tag][vrf vrf-name]
To disable IS-IS routing, use the no router isis [tag] command.
Parameters
vrf vrf-name Enter the keyword vrf followed by the name of the VRF to enable the IS-IS routing
protocol and to specify an IP IS-IS process on that VRF.
tag (OPTIONAL) This is a unique name for a routing process. A null tag is assumed if the tag
option is not specified. The tag name must be unique for all IP router processes for a
given router.
Defaults Not configured.
Command Modes CONFIGURATION
Command History
This guide is platform-specific. For command information about other platforms, refer to the relevant Dell
Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.9(0.0) Introduced on the C9010.
9.8(0.0) Introduced on the S3048-ON and S4048-ON.
9.7(0.0) Added support for VRF. Introduced on the S6000-ON.
9.5(0.1) Introduced on the Z9500.
9.0.2.0 Introduced on the S6000.
8.3.19.0 Introduced on the S4820T.
8.3.12.0 Introduced on the S4810.
8.3.11.1 Introduced on the Z9000.
Usage Information
Configure a network entity title (the net command) to specify the area address and the router system ID.
Enable routing on one or more interfaces to establish adjacencies and establish dynamic routing.
You can configure only one IS-IS routing process to perform Level 2 routing. A level-1-2 designation performs
Level 1 and Level 2 routing at the same time.
Related
Commands
• ip router isis — configures IS-IS routing processes for IP on interfaces and attaches an area designator to the
routing process.
• net — configures an IS-IS network entity title (NET) for a routing process.
• is-type — assigns a type for a given area.
set-overload-bit
Set the overload bit in zeroth fragment of non-pseudonode LSPs on the router.. This setting prevents other routers from using it as an
intermediate hop in their shortest path first (SPF) calculations.
C9000 Series
Syntax
set-overload-bit
Intermediate System to Intermediate System (IS-IS) 819